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Finding the Fourth Proportional to 179,564.67, 268,681.67 and 143,917.87

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Solution

The fourth proportional to 179,564.67, 268,681.67 and 143,917.87 is: 215,343.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,564.67 : 268,681.67 = 143,917.87 : x
  2. Step 2: Convert to fraction form
    179,564.67/268,681.67 = 143,917.87/x
  3. Step 3: Cross multiply
    179,564.67x = 268,681.67 × 143,917.87
  4. Step 4: Simplify right side
    179,564.67x = 38,668,094,014.24
  5. Step 5: Solve for x
    x = 38,668,094,014.24/179,564.67
  6. Step 6: Final answer
    x = 215,343.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.